Martin Roth has uploaded this change for review. ( https://review.coreboot.org/26950
Change subject: mainboard/google/kahlee: Use 66MHz SPI clock for fast read
......................................................................
mainboard/google/kahlee: Use 66MHz SPI clock for fast read
Looking at the 100MHz signal, we were violating the timing requirements.
66MHz still isn't great, but it's a good tradeoff between improving
the signal and losing boot speed time.
This slows down the boot time by about 20mS.
BUG=b:109583457
TEST=Boot grunt, look at signal on scope
Change-Id: I7ce70c992822dd17c5877226e74c1890660768c6
Signed-off-by: Martin Roth <martinroth(a)google.com>
---
M src/mainboard/google/kahlee/bootblock/bootblock.c
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/50/26950/1
diff --git a/src/mainboard/google/kahlee/bootblock/bootblock.c b/src/mainboard/google/kahlee/bootblock/bootblock.c
index 8f124b3..7e6524d 100644
--- a/src/mainboard/google/kahlee/bootblock/bootblock.c
+++ b/src/mainboard/google/kahlee/bootblock/bootblock.c
@@ -44,7 +44,7 @@
/* Set SPI speeds before verstage. Needed for TPM */
sb_set_spi100(SPI_SPEED_33M, /* Normal */
- SPI_SPEED_100M, /* Fast */
+ SPI_SPEED_66M, /* Fast */
SPI_SPEED_66M, /* AltIO */
SPI_SPEED_66M); /* TPM */
--
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build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/26573 )
Change subject: util/lint: Update lint-stable-000-license-headers linter
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Patch Set 6:
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Change subject: util/lint: Update lint-stable-000-license-headers linter
......................................................................
Patch Set 5: Verified-1
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build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/26931 )
Change subject: mb/google/kahlee: Configure EC_PCH_WAKE_L as an SCI source
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Patch Set 2:
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Change subject: amd/stoneyridge: Set SCI_MAP for SCI enabled GPIOs
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Patch Set 3:
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Naresh Solanki has posted comments on this change. ( https://review.coreboot.org/26940 )
Change subject: soc/intel/skylake: Enable low power S0Idle capability
......................................................................
Patch Set 2:
(3 comments)
https://review.coreboot.org/#/c/26940/2//COMMIT_MSG
Commit Message:
https://review.coreboot.org/#/c/26940/2//COMMIT_MSG@11
PS2, Line 11: FSPUPD
Which FSP UPD is being set?
https://review.coreboot.org/#/c/26940/2/src/soc/intel/skylake/acpi.c
File src/soc/intel/skylake/acpi.c:
https://review.coreboot.org/#/c/26940/2/src/soc/intel/skylake/acpi.c@238
PS2, Line 238: dev
Do NULL check before de-referencing pointer:
const struct soc_intel_skylake_config *config = dev ? dev->chip_info : NULL;
https://review.coreboot.org/#/c/26940/2/src/soc/intel/skylake/acpi.c@287
PS2, Line 287: if (config->s0ix_enable)
NULL check of pointer config before it is dereferenced.
if (config && config->s0ix_enable)
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